CAS: 896134-06-8 Molecular Formula: C17 H15 N O4 Molecular Weight (g/mol): 297.3 Synonym: 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one; IUPAC Name: 5,6-dimethoxy-2-[(1-oxidopyridin-1-ium-4-yl)methylene]indan-1-one SMILES: COc1cc2CC(=Cc3cc[n+]([O-])cc3)C(=O)c2cc1OC